regex_filter. immediately remove the rule. not need to restart gajim.

regex_filter/manifest.ini

 [info]
 name: Regex Filter
 short_name: regex_filter
-version: 0.1
+version: 0.2
 description: Filter incoming messages using regex.
 authors: Yann Leboulanger <asterix@lagaule.org>
 homepage: http://gajim.org
-
-

regex_filter/regex_filter.py

@@ -47,7 +47,6 @@ class RegexFilterPlugin(GajimPlugin):
             'gc-message-received': (ged.PREGUI1, self._nec_gc_message_received),
         }
 
-        self.rules = {}
         self.create_rules()
 
     @log_calls('RegexFilterPlugin')
@@ -60,6 +59,7 @@ class RegexFilterPlugin(GajimPlugin):
 
     @log_calls('RegexFilterPlugin')
     def create_rules(self):
+        self.rules = {}
         for num, c in self.config.items():
             self.rules[int(num)] = [re.compile(c[0], re.MULTILINE), c[1]]